CSD 212 Lecture Notes - Lecture 3: Murmured Voice, Dysphonia, List Of Voice Disorders

• School: Syracuse University
• Department: Communication Sciences and Disorders
• Course: CSD 212
• Professor: Joseph Pellegrino

Document Summary

Disruption in change in voice quality: loudness, pitch (measured in decibels) objective (low pitch vs high pitch or higher or lower frequencies) objective, quality subjective. Normal voice production fundamental frequency: review, males 125 hz, females 225 hz, children 300hz. Vocal fold movement is quasi-periodic (close more wave like they close in the front then middle then back) Erythematous redness of the vocal chords. Dysphonia- abnormal voice or disturbed phonation) sometimes result of screaming or yelling too much) Harsh excessive muscle tension, amplifies the high frequency components of the voice (speaking as if your furious but without yelling) Breathy produced with a partial whisper, vocal folds are vibrating but are not. Discrete/ diffuse tissue enlargement: reduction in tissue- atrophy, hyper function, hypofunction, myopathy. Psychogenic: conversion aphonia / dysphonia, gargle, cough or laughing, outside of pathologists scope. Puberphonia: male post pubescent still using falsetto voice. Muscle tension dysphonia: excessive muscle tension, hoarse voice, usually type a people.